7 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... RingEnhancing #Lesions #Brain ... #differential #diagnosis ... #causes #radiology ... #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... : Brain abscess ... Lack of UMN/LMN signs ... aminotransferases • Serology ... #neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... Space-occupying brain ... lesion • CNS ... infection (e.g., ... #Algorithm #neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Acute meningeal signs ... culture or by serology ... Singh @rav7ks #CNS ... #diagnosis #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... • Bilateral signs ... ruled out • Brain ... MRI: Check for brain ... #management #neurology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
by culture or serology ... especially the CNS ... MC: CNS CSF: • ... • Sinusitis • Brain ... : • Serology for
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
Diagnosis? ... low glucose) CNS ... organism (soap bubble sign ... meningitis #T2 #MRI #Brain ... #clinical #radiology